.picker_BoxDiv{
    width: 100%;
    background:#f4f4f4;
    height: 250px;
    bottom: 0;
    position: absolute;
    -webkit-transition: height linear 0.3s; /* Safari 和 Chrome */
}

.pickerViewTabr_box{
    width: 100%;
    height: 30px;
    background:#f4f4f4;
}

.left_bar{
    float: left;
    line-height: 30px;
    font-size: 18px;
    padding-left: 5px;
}

.right_bar{
    float: right;
    line-height: 30px;
    font-size: 18px;
    padding-right: 5px;
}

